CN211064165U - Straw collection device and crop harvester - Google Patents

Abstract

A straw collecting device and a crop harvester are disclosed. Straw collection device includes: the first box body is internally provided with a containing chamber suitable for containing straws, and the first box body is provided with a straw inlet and a first air outlet which are communicated with the containing chamber; the second box body is arranged at the outer side of the first box body, and a first gas collecting chamber communicated with the first air outlet and a second gas collecting chamber provided with a second air outlet are arranged in the second box body; a first partition formed as a sidewall of the first plenum; a second partition formed as a sidewall of the second plenum; and a plurality of air cleaning devices mounted between the upright portions of the first and second partition plates, the air inlet of each air cleaning device being in communication with the first air collection chamber and the air outlet of the air cleaning device being in communication with the second air collection chamber.

Description

Straw collectors and crop harvesters

technical field

Embodiments of the present utility model relate to a crop harvester, and more particularly, to a straw collecting device suitable for collecting crop straws, and a crop harvester including the straw collecting device.

Background technique

A work machine such as a crop harvester generally includes a harvesting device for harvesting mature crops from the ground, a separation device for separating the fruit and straw of the crops, a fruit harvesting device for harvesting the fruit, and a harvesting device for harvesting the straw. Straw collection device. A work machine such as a peanut harvester generally includes a harvesting device for collecting mature peanut crops from the ground in bulk, a separation device for separating peanut fruit and straw (or peanut seedlings) of the peanut crop, and a conveying device for the peanut crop. A crop conveying device, a fruit conveying device for conveying separated peanut fruit, a straw conveying device for conveying separated straw, a fruit collecting device for collecting peanut fruit, and a straw collecting device for collecting straw, etc.

In the existing peanut harvester, the straw (or peanut seedlings) after the seedlings are separated is conveyed to the straw collecting device through a straw conveying device such as a chain and/or a main centrifugal fan. When the peanut harvester uses a centrifugal fan to suck up straw and dust and transport it to the straw and grass collection device, because the main centrifugal fan conveys a large amount of air without a corresponding air purification and dust removal device, the dust-containing airflow is directly from the air outlet above the straw collection device. When discharged into the air, sometimes the dust discharged can reach a height of tens of meters, which seriously pollutes the air.

Utility model content

The utility model provides a straw collecting device and a crop harvester including the straw collecting device, which can realize the purification of the collected straw and reduce the pollution to the ambient air.

According to an embodiment of one aspect of the present invention, a straw collecting device is provided, comprising: a first box body, in which a accommodating chamber suitable for accommodating straws is formed, and a first box body is provided with a connection communicating with the accommodating chamber. The straw inlet and the first air outlet; the second box body is arranged on the outside of the first box body, and the second box body is provided with a first air collecting chamber communicating with the first air outlet, and a The second air collecting chamber of the second air outlet; the first partition, the first partition is formed as the side wall of the first air collecting chamber; the second partition, the second partition is formed as the The side wall of the second air collection chamber; and a plurality of air cleaning devices installed between the first partition plate and the second partition plate, and the air inlet of each air cleaning device is communicated with the first air collection chamber , the air outlet of the air purification device is communicated with the second air collection chamber.

According to an embodiment of the present invention, the axial direction of each of the air cleaning devices is substantially parallel to the ground.

According to an embodiment of the present invention, a dust collection chamber is provided at the lower part of a plurality of the air purification devices, and each of the air purification devices is provided with a dust outlet communicated with the dust collection chamber, so that the separated dust into the dust collection chamber.

According to an embodiment of the present invention, each of the air purification devices includes: a first cylinder body, the outer side of the first cylinder body is fixed on the first partition plate; a plurality of helical blades are arranged on the Inside the first cylinder, the unpurified gas from the first gas collection chamber passes through the helical blade through the air inlet to realize the separation of dust and air; and the second cylinder, so The first end of the second cylinder is inserted into the first cylinder, and the dust outlet is formed between the inner wall of the first cylinder and the outer wall of the second cylinder. The outer side of the second end is fixed to the second baffle so that the purified air flows through the second cylinder into the second plenum.

According to an embodiment of the present invention, a plurality of support columns are arranged between the first partition plate and the second partition plate.

According to an embodiment of the present invention, a cover body suitable for covering the accommodating chamber is provided on the upper portion of the first box body.

According to an embodiment of the present invention, the cover body includes an upper wall, a lower wall, and a vertical wall connected between the peripheries of the upper wall and the lower wall, the straw inlet is arranged on the front side of the cover body, and the first An air outlet is arranged on the rear side of the cover body.

According to an embodiment of the present invention, a filter screen plate with holes is arranged on the lower wall of the cover body.

According to an embodiment of the present invention, an induced draft fan is provided at the second air outlet.

According to an embodiment of the present invention, a dust discharge port is provided on the bottom wall of the second box body, and a dust discharge door is provided on the dust discharge port.

According to an embodiment of the present invention, the straw collecting device further includes a first driving device configured to open or close the ash discharge door.

According to an embodiment of the present invention, the first driving device includes a pneumatic cylinder, an air-compressed air pump, a solenoid valve, a hydraulic cylinder, or a motor.

According to an embodiment of the present invention, the straw collecting device further includes a second driving device configured to drive the first box body to incline left or right, so as to dump the straw contained in the first box body .

According to an embodiment of the present invention, the straw collecting device further includes at least one first support frame, the lower ends of the first support frame are respectively fixed on the bottom frame of the vehicle, and the upper ends of the first support frame are respectively hinged on the On the outer upright wall of the front side and the outer upright wall of the rear side of the first box body; the second driving device includes a pair of pneumatic cylinders, and the ends of the cylinders of the pneumatic cylinders are respectively hinged on the bottom frame, and the telescopic The free ends of the piston rod, which is installed in the cylinder body, are hinged on the outer upright wall of the front side and the outer upright wall of the rear side respectively of the first box body, and during the period when the piston rod extends out of the cylinder body, The piston rod drives the first box to rotate relative to the first support frame.

According to an embodiment of the present invention, the straw collecting device further includes a pair of holding frames, the holding frames are fixed obliquely between the first support frame and the bottom frame,

The ends of the cylinders of the pneumatic cylinders are respectively hinged on the holder frame.

According to an embodiment of the present invention, the straw collecting device further includes a pair of second supporting frames, the second supporting frames are configured to drive the first box body relative to the first box when the second driving device drives During the rotation of a support frame, the cover is driven to open or close.

According to an embodiment of the present invention, each of the second support frames includes: a first drive rod, the first end of which is hinged to the first support frame; and a second drive rod, The upper end of the second driving rod is fixed to the cover body, and the lower end of the second driving rod is hinged to the second end of the first driving rod, so that the first driving device drives the first box During the rotation of the body relative to the first support frame, the first driving rod drives the cover body to rotate relative to the first box body through the second driving rod.

According to an embodiment of the present invention, the first driving rod includes: a first sub-driving rod, the first end of which is hinged to the first support frame; and a second sub-driving rod, the The second end of the first sub-driving rod is hinged to the first end of the second sub-driving rod, and the second end of the second sub-driving rod is hinged to the lower end of the second driving rod.

According to an embodiment of another aspect of the present invention, there is provided a crop harvester comprising: a work vehicle; a collecting device mounted on a front end of the work vehicle and configured to collect crops; a separation device mounted on the work vehicle a vehicle, and is configured to separate the fruit and straw of the crops; a straw conveying device, configured to convey the separated straw; and the straw collecting device according to any one of the above embodiments, mounted on the rear of the vehicle. on the chassis.

According to an embodiment of the present invention, the straw conveying device comprises: a conveying pipe, one end of the conveying pipe is communicated with the separating device to receive the separated straw, and the other end is connected to the second box body a straw inlet; and a main centrifuge, installed in the duct.

According to the straw collecting device and the crop harvester according to the embodiment of the present invention, by installing the second box having the air purifying device and communicating with the first box outside the first box containing the straw, The exhaust air is purified, reducing the pollution of the ambient air.

Description of drawings

The utility model will be described in further detail with reference to the accompanying drawings, wherein:

1 is a schematic diagram of the principle of a crop harvester according to an exemplary embodiment of the present invention;

2 is a schematic perspective view of a straw collecting device according to an exemplary embodiment of the present invention;

FIG. 3 is a cross-sectional view of the straw collecting device shown in FIG. 2 along the traveling direction;

Fig. 4 is a perspective view of the inclined state of the straw collecting device shown in Fig. 2 when the straw is dumped;

Figure 5 is a rear view of the straw collecting device shown in Figure 2;

6 is a perspective view of a first box body of a straw collecting device according to an exemplary embodiment of the present invention, and the second support frame is omitted in the figure;

Figure 7 is a front view of the first housing shown in Figure 6;

FIG. 8 is a rear view of the first box shown in FIG. 6, showing the second support frame;

Fig. 9 is a perspective view of a second box body of a straw collecting device according to an exemplary embodiment of the present invention;

Fig. 10 is a perspective view of the lid body of the straw collecting device according to an exemplary embodiment of the present invention viewed from the lower part;

Fig. 11 is a transverse cross-sectional view of the straw collecting device shown in Fig. 2 at the first partition;

Fig. 12 is a transverse cross-sectional view of the straw collecting device shown in Fig. 2 at the second partition;

Fig. 13 is a partial enlarged cross-sectional view of the straw collecting device shown in Fig. 3 between the first separator and the second separator; and

14 is a schematic cross-sectional view of an air purification apparatus according to an exemplary embodiment of the present invention.

Detailed ways

While the present invention will be fully described with reference to the accompanying drawings containing preferred embodiments of the present invention, prior to this description it should be understood that those of ordinary skill in the art can modify the invention described herein while obtaining the benefits of the invention. technical effect. Therefore, it is to be understood that the above description is a broad disclosure to those of ordinary skill in the art, and its content is not intended to limit the exemplary embodiments described in the present invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments disclosed herein. Obviously, however, one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagram form in order to simplify the drawings.

According to a general inventive concept of the present utility model, a straw collecting device is provided, comprising: a first box body, in which a accommodating room suitable for accommodating straw is formed, and the first box body is provided with the The straw inlet and the first air outlet communicated with the accommodating chamber; the second box body is arranged on the outer side of the first box body, and the second box body is provided with a first air collecting chamber, and a second air collecting chamber provided with a second air outlet; a first baffle, the first baffle is formed as a side wall of the first air collecting chamber; a second baffle, the second baffle is formed is the side wall of the second air collecting chamber; and a plurality of air cleaning devices installed between the first partition plate and the second partition plate, the air inlet of each air cleaning device is connected to the first air collecting device. The air chamber is communicated, and the air outlet of the air purification device is communicated with the second air collection chamber.

FIG. 1 is a schematic diagram of the principle of a crop harvester according to an exemplary embodiment of the present invention.

For the convenience of description and understanding, referring to FIG. 1 , the forward driving direction of the crop harvester 1000 is referred to as the traveling direction, with the front of the crop harvester as a reference, the part close to the front of the vehicle is called the front part, and the part far from the front of the vehicle is referred to as the front part. Called the rear, and looking from the front of the car towards the rear to distinguish left and right.

As shown in FIG. 1 , a crop harvester 1000 for harvesting crops such as peanuts, potatoes, sweet potatoes, etc., according to an exemplary embodiment of the present invention. The embodiments of the present invention will be described below by taking the crops as peanuts as an example. The crop harvester 1000 includes: a work vehicle 200 including a chassis 102 and wheels 101 mounted on a lower portion of the chassis 102; a harvesting device 300 mounted on the front end of the work vehicle 200 and configured to harvest crops such as peanuts a separation device 400, mounted on the work vehicle 200, and configured to separate crop fruits (eg, peanut fruit) and straw; a straw conveying device 103, configured to transport the separated straw (eg, peanut seedlings); and The straw collecting device 100 is installed on the bottom frame 102 located at the rear of the vehicle 200 . The separated peanut seedlings are conveyed to the straw collecting device 100 by the straw conveying device 103 and temporarily stored in the straw collecting device.

FIG. 2 is a schematic perspective view of a straw collecting device according to an exemplary embodiment of the present invention; FIG. 3 is a cross-sectional view of the straw collecting device shown in FIG. 2 along a traveling direction.

1-3, according to an embodiment of the present invention, a straw collecting device 100 includes: a first box 1, a second box 2, a first partition 3, a second partition 4 and a plurality of air Purification device 5. A accommodating chamber 12 suitable for accommodating straw is formed in the first box body 1 , and the first box body 1 is provided with a straw inlet 13 and a first air outlet 14 communicating with the accommodating chamber 12 . The straw conveyed by the straw conveying device 103 and to be stored, such as peanut seedlings, enters the first box 1 from the straw inlet 13 . The second box body 2 is arranged on the outside of the first box body 1, and the second box body 2 is provided with a first air collecting chamber 21 communicating with the first air outlet 14, and a second air outlet. The second air collection chamber 22 of the tuyere 23 . The first gas collection chamber 21 is used to collect the unpurified gas flowing out from the first air outlet 14 of the first box body 1 . The first partition 3 is formed as a part of the side wall of the first gas collection chamber 21 ; the second partition 4 is formed as a part of the side wall of the second gas collection chamber 22 . A plurality of air purification devices 5 are installed between the first partition plate 3 and the second partition plate 4, and the air inlet 51 of each air purification device is communicated with the first air collection chamber 21, so that the first air collection The purified air in the chamber 21 enters the air cleaning device 5 . The air outlet 52 of the air purification device 5 communicates with the second air collection chamber 22 . In this way, the second air collection chamber 22 receives the purified air from the air purification device, and discharges the purified air into the atmosphere through the second air outlet 23 .

In one embodiment, the straw conveying device 103 includes: a conveying pipe 105 and a main centrifuge 104 . One end of the conveying pipe 105 is communicated with the separating device 400 to receive the separated straw (eg peanut seedlings), and the other end is connected to the straw inlet 13 of the first box; the main centrifuge 103 is installed on the conveying pipe 105. In this way, the separated straws (such as peanut seedlings) are transported to the first box 1 through the conveying pipe 105 by the suction of the main centrifuge 104. Since the peanut seedlings carry some impurities such as dust and debris, The air carrying these impurities in the first box body 1 is made to flow into the first air collecting chamber 21 of the second box body 2 through the first air outlet 14 . The outer contours of the first box body 1 and the second box body 2 both have a roughly rectangular parallelepiped shape. The air carrying impurities in the first air collection chamber 21 enters the air purification device 5, and the air carrying impurities in the air purification device 5 is separated into purified air and dust, and the purified air is discharged into the atmosphere through the second air outlet 23, Reduced pollution to ambient air. In addition, a plurality of air purification devices are installed outside the first box body, so that the number of straws accommodated in the first box body will not be reduced.

Fig. 4 is a perspective view of the inclined state of the straw collecting device shown in Fig. 2 when the straw is poured; Fig. 5 is a rear view of the straw collecting device shown in Fig. 2; Fig. 6 is an exemplary implementation according to the present invention The three-dimensional schematic diagram of the first box body of the straw collecting device of the example, the second support frame is omitted in the figure; FIG. 7 is a front view of the first box body shown in FIG. 6 ; FIG. 8 is the first box shown in FIG. 6 . Figure 9 is a perspective view of the second box body of the straw collecting device according to an exemplary embodiment of the present invention; Figure 10 is a schematic view of the second box body according to the present invention Figure 11 is a cross-sectional view of the straw collecting device shown in Figure 2 at the first partition; and Figure 12 is a schematic view of the straw collecting device shown in Figure 2. A cross-sectional view of the straw collecting device at the second partition; FIG. 13 is a partially enlarged cross-sectional view of the straw collecting device shown in FIG. 3 between the first partition and the second partition; and FIG. 14 is according to the present invention. A schematic cross-sectional view of an exemplary embodiment of an air cleaning device.

2, 3, 11-14, in one embodiment, the axial direction of each of the air cleaning devices 5 is substantially parallel to the ground. Therefore, the air purification device of the present invention adopts a horizontal installation method. Each air cleaning device 5 is installed between the upright portion of the first partition 3 and the upright portion of the second partition 4 . In this way, the plurality of air cleaning devices 5 do not occupy a large space in the horizontal direction, and the length of the entire crop harvester can be relatively reduced. A dust collection chamber 24 is provided at the lower part of the plurality of air purification devices 5, and each of the air purification devices 5 is provided with a dust outlet 57 that communicates with the dust collection chamber, so that the separated dust falls into the dust collection chamber. Room 24. In an alternative embodiment, the axial direction of each of the air cleaning devices 5 is substantially perpendicular to the ground, so as to facilitate dust falling.

In one embodiment, each of the air purification devices 5 may be a once-through cyclone dust collector, and includes a first cylindrical body 53 , a plurality of helical blades 55 and a second cylindrical body 56 . The outer side of the first cylindrical body 53 is fixed on the first partition plate 3 . A plurality of helical blades 55 are arranged inside the first cylinder 53, and the unpurified gas from the first gas collection chamber 21 passes through the helical blades 55 through the air inlet, and the dust in the gas Under the guidance of the helical blade 55, it hits the inner wall of the first cylinder 53 and falls from the dust outlet 57, so as to realize the separation of dust and air. The first end (the right end in FIG. 14 ) of the second cylindrical body 56 is inserted into the lower portion of the first cylindrical body 53 , and forms a gap between the inner wall of the first cylindrical body 53 and the outer wall of the second cylindrical body 56 . The dust outlet 57, the outer side of the second end (the left end in FIG. 14) of the second cylinder 56 is fixed to the second partition 4, so that the purified air flows through the second cylinder 56 to the 22 in the second plenum. For example, four helical blades 55 may be provided. In one embodiment, the plurality of helical blades 55 are connected between the central shaft 54 and the inner wall of the first cylinder 53 to increase the stability of the helical blades. The dust falling in the first cylinder 53 due to the impact by the inner wall of the first cylinder falls into the dust collection chamber 24 through the dust outlet 57 and is temporarily stored.

In one embodiment, as shown in FIGS. 10 and 11 , a plurality of support columns 58 are provided between the first partition plate 3 and the second partition plate 4 to protect the dust purification device 5 . Further, a support beam can be installed at the lower part of the first partition plate 3 to further enhance the support strength of the first partition plate.

Referring to FIGS. 3-6 and 10 , in an embodiment, a cover 11 suitable for covering the accommodating chamber 12 is provided on the upper portion of the first box 1 . The cover body 11 includes an upper wall, a lower wall, and a vertical wall connected between the peripheries of the upper wall and the lower wall. The straw inlet 13 is disposed on the upright wall of the front side of the cover body 11 and communicates from the side of the cover body 11 to the lower part of the cover body, so as to transport the straw into the accommodating chamber 12 . The first air outlet 14 is disposed on the upright wall on the rear side of the cover body 11 to communicate with the first air collecting chamber 21 of the second box body 2 through the air inlet 211 of the second box body 2 . A filter screen plate 111 with holes is provided on the lower wall of the cover body 11 . For example, the screen plate 111 may have many fine through holes. During the working process, the dust-laden airflow can flow from the first box body 1 through the first air outlet 14 to the first air collection chamber 21 of the second box body 2 through many small through holes, and at the same time, the straw will not be broken. The air enters the first air outlet 14 through the filter screen plate 111 and flows into the first air collection chamber 21 of the second box body 2 . Optionally, an airflow pressure relief hole 112 may be provided on the upper wall of the cover body 11 to release the excessive pressure in the first box body. A filter screen or a dust-removing cloth is arranged on the airflow pressure relief hole 112 to filter and purify the gas, so as to reduce the pollution to the ambient gas.

In one embodiment, an induced draft fan 141 is provided at the second air outlet 23 . The induced draft fan 141 may be installed at the lower part of the outer bottom wall of the first box body 1 . For example, the induced draft fan 141 includes a centrifugal induced draft fan. In this way, through the draft effect of the induced draft fan 141 , the gas flow in the second casing 2 can be accelerated, and the separation effect of air and dust in the air purification device 5 can be improved.

In an exemplary embodiment, as shown in FIGS. 2-6 , the bottom wall of the second box body 2 is provided with a dust discharge port, and the dust discharge port is provided with a dust discharge door 6 . Impurities such as dust, debris, etc. accumulated in the dust collection chamber 24 can be discharged by manually or automatically opening the dust discharge door 6 .

In one embodiment, the straw collecting device 100 further includes a first driving device 61 configured to open or close the ash discharge door 6 . The first driving device 61 can be controlled to open the dust discharge door 6 to discharge the dust in the dust collection chamber 24 , or close the dust discharge door 6 to prevent the dust from being randomly scattered from the dust collection chamber 24 . A sealing ring can be arranged inside the ash discharge door 6 to increase the sealing effect.

In an exemplary embodiment, the first driving device comprises a pneumatic cylinder. However, the present invention is not limited to this, and the first driving device may include a pneumatic cylinder, a hydraulic cylinder, an air-compressed air pump, a solenoid valve or a motor. In the illustrated embodiment, the first driving device 61 pushes the ash discharge door 6 to pivotally open or close. In an alternative embodiment, the first driving device can push the ash discharge door to open or close in a linear movement manner. In the case where the first driving device includes a hydraulic cylinder, it may further include a hydraulic valve, a hydraulic distributor, and a proximity switch. A proximity switch is installed at the bottom of the first box to control the ash discharge door. When the first box lifts and dumps the straw and leaves the proximity switch, the solenoid valve controls the cylinder to push the ash discharge door; or the hydraulic valve and the hydraulic distributor control the hydraulic cylinder to push the ash discharge door.

As shown in FIGS. 4-8, in one embodiment, the straw collecting device 100 further includes a first driving device 7, which is configured to drive the first box body 1 to incline to the left, so as to dump the storage in the first box 1 to the left. Straw in box 1.

As shown in FIGS. 4-8 , in one embodiment, the straw collecting device 100 further includes a pair of first support frames 71 , and the lower ends of the first support frames 71 are respectively fixed on the bottom frame 102 of the vehicle. The upper ends of the first support brackets 71 are hinged on the outer upright wall at the front side and the outer upright wall at the rear side of the first box body 1 respectively. The first driving device 7 includes a pair of pneumatic cylinders 72 , the ends of the cylinders 721 of the pneumatic cylinders 72 are respectively hinged on the bottom frame 102 , and the free ends of the piston rods 722 are telescopically installed in the solid 721 . They are respectively hinged on the outer upright wall of the front side and the outer upright wall of the rear side of the first box body 1 . In this way, when the piston rod 722 extends out of the cylinder 721, the piston rod 722 drives the first box 1 to rotate relative to the first support frame 71, so that the first box 1 is inclined and The outer bottom wall of the first box body is separated from the vehicle bottom frame 102 , so that straws such as peanut seedlings contained in the second box body 2 can be poured out.

In one embodiment, the straw collecting device 100 further includes a pair of holding frames 73 , and the holding frames 73 are fixed obliquely between the first support frame 71 and the bottom frame 102 . The ends of the cylinder body 721 of the pneumatic cylinder 72 are hinged on the holder frame 73 respectively. The holding frame 73 can increase the supporting strength of the first support frame 71 and prevent the first support frame 71 from tilting.

In one embodiment, as shown in FIGS. 7 and 8 , the straw collecting device 100 further includes at least one second supporting frame, and the second supporting frame is configured to drive the first driving device 7 to drive the first supporting frame. During the rotation of the box body 1 relative to the first support frame 71 , the cover body 11 is driven to open or close. Further, each of the second supporting frames includes a first driving rod 74 and a second driving rod 75 hinged with the first driving rod. The first end of the first drive rod 74 is hinged to the first support frame 71 . The upper end of the second driving rod 75 is fixed to the cover body 11 , and the lower end of the second driving rod 75 is hinged to the second end of the first driving rod 74 , so that the first driving device 7 drives the During the rotation of the first box body 1 relative to the first support frame 71 , the first driving rod 74 drives the cover body 11 to rotate relative to the first box body 1 through the second driving rod 75 , thereby opening The first box 1 and the second box 2, so that the straw in the second box 2 can be poured out.

In this way, when the piston rod 722 extends out of the cylinder 721, the first box body 1 rotates counterclockwise around the upper end of the first support frame 71, and with the rotation of the first box body 1, the bottom wall of the first box body 1 leaves the vehicle At the same time, the first driving rod 74 pulls the second driving rod 75, so that the cover body 11 rotates clockwise relative to the first box body 1, so as to open the first box body 1, and the first box body 1 rotates counterclockwise. When passing through an angle of 90 degrees, the straw stored in the first box can be poured out. On the other hand, when the piston rod 722 is retracted into the cylinder 721, the first case 1 rotates clockwise around the upper end of the first support frame 71. As the first case 1 rotates, the bottom of the first case 1 rotates clockwise The wall is gradually placed on the underframe 102 of the vehicle, while the first driving rod 74 pushes the second driving rod 75, so that the cover body 11 rotates counterclockwise relative to the first box body 1, thereby closing the first box body 1 in preparation for the next One operation to store straw and purify gas.

In one embodiment, the first driving rod includes a first sub-driving rod 741 and a second sub-driving rod 742 . The first end of the first sub-driving rod 741 is hinged to the first support frame 71; the second end of the first sub-driving rod 741 is hinged to the first end of the second sub-driving rod 742, the second sub-driving rod The second end of 742 is hinged to the lower end of the second drive rod 75 . In this way, when the lid body 11 closes the first box body 1, the first driving rod 74 is in a bent state as a whole, so that the lid body can be kept in a tightly closed state. In one embodiment, an inclined rod 76 may be disposed between the cover body 11 and the second driving rod 75 to increase the strength of the second driving rod 75 .

Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements thereto, and the structures described in the various embodiments do not conflict in terms of structures or principles It can be freely combined in the case of the present invention, so that more kinds of straw collecting devices and crop harvesters can be realized on the basis of solving the technical problems of the present invention.

After describing the preferred embodiments of the present invention in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the protection scope and spirit of the appended claims, and the present invention is also Implementations are not limited to the exemplary embodiments set forth in the specification. It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Furthermore, any element numbers in the claims should not be construed as limiting the scope of the invention.

Claims (20)

1. A straw collecting device, characterized in that, comprising: a first box body, in which a accommodating room suitable for accommodating straw is formed, and a straw inlet and a first air outlet communicating with the accommodating room are arranged on the first box body; The second box body is arranged on the outer side of the first box body, and the second box body is provided with a first air collecting chamber communicating with the first air outlet, and a second air collecting chamber with a second air outlet room; a first partition, the first partition is formed as a side wall of the first gas collection chamber; a second baffle formed as a sidewall of the second plenum; and A plurality of air cleaning devices are installed between the upright portion of the first partition plate and the upright portion of the second partition plate, the air inlet of each air cleaning device is communicated with the first air collection chamber, the air The air outlet of the purification device is communicated with the second air collection chamber. 2 . The straw collecting device of claim 1 , wherein the axial direction of each of the air cleaning devices is substantially parallel to the ground. 3 . 3 . The straw collecting device according to claim 2 , wherein a dust collection chamber is provided at the lower part of the plurality of air purification devices, and each of the air purification devices is provided with dust in communication with the dust collection chamber. 4 . outlet so that the separated dust falls into the dust collection chamber. 4. The straw collecting device of claim 1, wherein each of the air purification devices comprises: a first cylinder, the outer side of the first cylinder is fixed on the first partition; A plurality of helical blades are arranged inside the first cylinder, and the unpurified gas from the first gas collection chamber passes through the helical blades through the air inlet to realize the separation of dust and air ;as well as A second cylinder, the first end of the second cylinder is inserted into the first cylinder, and the dust outlet is formed between the inner wall of the first cylinder and the outer wall of the second cylinder, so The outer side of the second end of the second cylinder body is fixed to the second partition plate, so that the purified air flows into the second plenum chamber through the second cylinder body. 5 . The straw collecting device according to claim 4 , wherein a plurality of support columns are provided between the first partition plate and the second partition plate. 6 . 6. The straw collecting device according to any one of claims 1-5, characterized in that, a cover body suitable for covering the accommodating chamber is provided on the upper part of the first box body. 7 . The straw collecting device according to claim 6 , wherein the cover body comprises an upper wall, a lower wall and an upright wall connected between the outer peripheries of the upper wall and the lower wall, and the straw inlet is provided in the On the front side of the cover body, the first air outlet is arranged on the rear side of the cover body. 8 . The straw collecting device according to claim 7 , wherein a filter screen plate with holes is provided on the lower wall of the cover body. 9 . 9 . The straw collecting device according to claim 1 , wherein an induced draft fan is provided at the second air outlet. 10 . 10 . The straw collecting device according to claim 6 , wherein a dust discharge port is provided on the bottom wall of the second box body, and a dust discharge door is provided on the dust discharge port. 11 . 11. The straw collecting device of claim 10, further comprising a first driving device configured to open or close the ash discharge door. 12. The straw collecting device according to claim 11, wherein the first driving device comprises a pneumatic cylinder, an air-compressed air pump, a solenoid valve, a hydraulic cylinder, or a motor. 13. The straw collecting device of claim 12, further comprising a second driving device configured to drive the first box body to incline leftward or rightward, so as to dump the storage in the first box straw in the body. 14 . The straw collecting device according to claim 13 , further comprising at least one first support frame, the lower ends of the first support frame are respectively fixed on the bottom frame of the vehicle, and the The upper ends are respectively hinged on the outer upright wall of the front side and the outer upright wall of the rear side of the first box body; The second driving device includes a pair of pneumatic cylinders, the ends of the cylinders of the pneumatic cylinders are respectively hinged on the bottom frame, and the free ends of the piston rods telescopically installed in the cylinders are hinged on the first On the outer upright wall of the front side and the outer upright wall of the rear side of a box, when the piston rod extends out of the cylinder, the piston rod drives the first box to rotate relative to the first support frame . 15. The straw collecting device of claim 14, further comprising a pair of holding frames, the holding frames being fixed obliquely between the first support frame and the bottom frame, The ends of the cylinders of the pneumatic cylinders are hinged on the holding frames, respectively. 16. The straw collecting device of claim 15, further comprising a pair of second support brackets, the second support brackets being configured to drive the first box body to be opposite to each other when the second driving device drives the first box body to face each other. The cover is driven to open or close during the rotation of the first support frame. 17. The straw collecting device of claim 16, wherein each of the second supporting frames comprises: a first drive rod having a first end hinged to the first support frame; and A second driving rod, the upper end of the second driving rod is fixed to the cover body, and the lower end of the second driving rod is hinged to the second end of the first driving rod, so that when the first driving device drives During the rotation of the first case body relative to the first support frame, the first driving rod drives the cover body to rotate relative to the first case body through the second driving rod. 18. The straw collecting device of claim 17, wherein the first driving rod comprises: a first sub-drive rod, the first end of the first sub-drive rod is hinged to the first support frame; and A second sub-drive lever, the second end of the first sub-drive lever is hinged to the first end of the second sub-drive lever, the second end of the second sub-drive lever is hinged to the second drive lever the lower end. 19. A crop harvester, characterized in that it comprises: work vehicles; a harvesting device mounted on the front end of the work vehicle and configured to harvest crops; a separation device mounted on the work vehicle and configured to separate the fruit and straw of the crop; a straw conveying device configured to convey the separated straw; and The straw collecting device of any one of claims 1-18, mounted on a rear underframe of the vehicle. 20. The crop harvester of claim 19, wherein the straw conveying device comprises: a conveying pipe, one end of the conveying pipe is communicated with the separating device to receive the separated straw, and the other end is connected to the straw inlet of the second tank; and The main centrifuge, installed in the delivery tube.

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